diff --git a/linux-5.10/hi3516dv300_patch/hi3516dv300.patch b/linux-5.10/hi3516dv300_patch/hi3516dv300.patch
index c3bbaae2edee38a8fc8d8112b78a9d271f8edb24..9949b714a9bf4243ecd369b70970e7a756e8a582 100755
--- a/linux-5.10/hi3516dv300_patch/hi3516dv300.patch
+++ b/linux-5.10/hi3516dv300_patch/hi3516dv300.patch
@@ -18709,7 +18709,7 @@ index 000000000..075cb248c
 +    unsigned long long phyaddr;
 +
 +    sgt = drm_gem_cma_prime_get_sg_table(gem_obj);
-+    if (sgt == NULL) {
++    if (IS_ERR(sgt)) {
 +        HI_DRM_ERR("gem prime get sg_table failed");
 +        return;
 +    }